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Retirement Benefit Plans (Details 1) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Total Contributions For The Period	$ 206,662	$ 192,078	$ 812,542	$ 735,751
Regular Matching Contributions [Member]
Total Contributions For The Period	161,714	144,081	372,654	297,397
Transitional Credit Contributions [Member]
Total Contributions For The Period	28,179	33,102	79,742	75,870
Non-Discretionary Contributions [Member]
Total Contributions For The Period	$ 16,769	$ 14,895	$ 360,146	$ 362,484

X

- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_RetirementPlanNameAxis=eml_RegularMatchingContributionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanNameAxis=eml_TransitionalCreditContributionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanNameAxis=eml_NonDiscretionaryContributionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: